Comparison

Convert vs Unit Converter and Conversion

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Convert

Easily convert hundreds of physical units and dimensions with this powerful tool. It also includes a currency converter with daily updated exchange rates for over 130 countries and is available on Apple Watch.

Highlights
  • Unit conversion for 398 units
  • Currency conversion with daily rates
  • Integrated calculator
  • Apple Watch support
  • History charts for currencies
  • Copy & Paste functionality
Features
Read full description

A simple but powerful unit converter. Translates hundreds of physical units and dimensions quickly and easily. The currency converter features daily updated exchange rates for over 130 countries. CUSTOMER REVIEWS: 4½ (over 1000 reviews world wide) *** Apple Watch *** We bring the converter including currency exchange rates to your Apple Watch. Convert units and currencies directly on your watch. TOP FEATURES: ▶ Intuitive and efficient user interface ▶ A total of 398 units in 17 categories ▶ Shoe size conversion ▶ Calculator ▶ Daily updated currency converter ▶ History charts for all currencies ▶ Push notifications for currencies ▶ Univeral iPhone/iPad app ▶ Landscape support for iPad ▶ Copy & Paste ▶ Drag'n Drop your favorites to the toolbar ▶ Frequent free updates CATEGORIES: ▶ Currency ▶ Length ▶ Weight ▶ Temperature ▶ Speed ▶ Energy ▶ Angle ▶ Pressure ▶ Time ▶ Volume ▶ Area ▶ Power ▶ Data ▶ Torque ▶ Radioactivity ▶ Fuel consumption ▶ Force ▶ Shoe size ▶ Calculator Available upgrades with subscriptions: * 'Advanced features': $0.99 per 6 months No ADs, Currency Exchange Rates, Charts - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. Privacy policy: https://www.bitcommander.ch/privacy-policy Terms of use: https://www.bitcommander.ch/terms-of-use-convertit

About

Unit Converter and Conversion

This app offers a user-friendly interface for converting units across more than 40 categories, including length, weight, volume, and digital storage. It works offline and saves conversion history for future reference. Ideal for students and professionals needing quick and accurate conversions.

Highlights
  • Over 40 conversion categories
  • Offline functionality
  • Conversion history saving
  • User-friendly interface
  • Supports length, weight, volume, and more
  • Elegant graphics
Features
Read full description

Unit Converter is uncomplicated, well turned-out and well-designed Conversion calculator app, with more than 40 categories. It is one of the best app available at app store that has more than enough features, categories are well updated. Unit conversion was never so easy before this app. It converts unit just a click away. Unit Converter app has been considered most user friendly measurement converter. A wide range of unit conversion tools are available in this app. It is very simple with remarkable graphics. Unit Converter app can perform almost every unit conversion task. It ranges from weight converter to distance converter and volume converter as well. Preeminent Features of Unit Converter App - Works Offline, even if you have no internet, it will perform all the tasks to convert units - History Mode, you can save all the data to use in future - Numerous unit Conversion - Extremely User Friendly Interface. Included Category: - Length Converter Its a measurement converter used to convert length. (Kilometer, miles, meter, yard, feet, etc) - Area Converter (square kilometer, square mile, hectare, acre, etc) - Weight / Mass Converter It is used for weight and mass conversion (Kilogram, pound, ounce, ton, stone, etc) - Cooking Volume Converter the most important feature for volume conversion (Teaspoon, tablespoon, cup, pint, quart, ounce, etc) - Fuel Consumption calculator (miles per gallon, liters per 100km, etc) - Time Calculator (year, month, day, hour, second, etc) - Speed Calculator (km/h, mph, knot, etc) - Force (giganewton, meganewton, kilonewton, newton, millinewton, micronewton, nanonewton) - Power (watt, kilowatt, horsepower, etc) - Pressure (Megapascal, Kilopascal, Pascal, Bar, PSI, PSF, Atmosphere, Technical Atm, mm Hg, Torr) - Digital Storage / Data Converter (bit, byte, Kilobit, Kilobyte, Megabit, megabytes, Gigabit, gigabytes, Terabit, Terabyte) - Temperature Converter (celsius, fahrenheit, kelvin, etc) - Cooking units Converter (teaspoon, tablespoon, cup, pint, quart, ounce, etc) - Volume - Energy - Data Transfer - Current - image Resolution - Electric Field - Resistivity - Chemical - Sound - Velocity - Conductance - Radiation - Torque - Magnet - Angle It is one the Conversion calculator app in app store and used by a wide range of professional even students use this app. Unit Converter is very simple, user friendly, and very elegant interface with no irrelevant material. It was designed to with the aim to support all the relevant fields that use unit converter. It is supported by every device an very responsive design. We aim to provide more apps like this one in coming future. Privacy Policy: https://calculator-online.net/privacy-policy/ Terms of Service: https://calculator-online.net/terms-of-service/

Screenshots

Convert4 screens
Unit Converter and Conversion4 screens

Verdict

The call

The clearest difference is rating: Convert at 4.7 against Unit Converter and Conversion's 4.4. Convert also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (12.0 vs 15.0). Unit Converter and Conversion's advantage is review sentiment (82% vs 70%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Convert sells 2 in-app purchases, starting at $0.99 per 6 months and Unit Converter and Conversion sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Convert holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 126 and 49 respectively. Written reviews complicate that: 70% of Convert's written reviews are positive against 82% of Unit Converter and Conversion's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Convert ships an update every 3 months, Unit Converter and Conversion every 9 months. Both last shipped on November 6, 2026.

Scorecard4 real differences · 6 level
Convert versus Unit Converter and Conversion: the parameters behind the verdict, then further details
ParameterConvertUnit Converter and Conversion
PriceFreeFree
Rating4.7 (126 ratings) — better4.4 (49 ratings)
Positive reviews69.8% of reviews81.8% of reviews — better
Number of ratings126 — better49
Update frequencyEvery 3 months — betterEvery 9 months
AdsYesYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size39 MB40 MB
Age rating4+4+
DeveloperRaphael OdermattAsad Ahsan

Customer experience

Convert

All ratings127 ratings
Positive94.5%
Neutral0.8%
Negative4.7%
Written reviews43 reviews
Positive69.8%
Neutral2.3%
Negative27.9%

Unit Converter and Conversion

All ratings48 ratings
Positive85.4%
Neutral4.2%
Negative10.4%
Written reviews11 reviews
Positive81.8%
Neutral0.0%
Negative18.2%

In-app purchases

2 purchases

Convert

Subscriptions1
  • Advanced Features3 Days trial$0.996 Months
One-time1
  • Advanced Features$1.99
1 purchases

Unit Converter and Conversion

One-time1
  • Unit Converter Pro$4.99

Questions

Is Convert free?
Convert is free to download, with in-app purchases available.
Is Unit Converter and Conversion free?
Unit Converter and Conversion is free to download, with in-app purchases available.
Which has better reviews, Convert or Unit Converter and Conversion?
Convert is rated higher. Convert averages 4.7 out of 5 from 126 ratings, while Unit Converter and Conversion averages 4.4 from 49 ratings.
Do Convert or Unit Converter and Conversion have ads?
Both Convert and Unit Converter and Conversion show ads.
Which is updated more often, Convert or Unit Converter and Conversion?
Convert ships an update every 3 months, and Unit Converter and Conversion every 9 months. Most recently, Convert was updated on November 6, 2026 and Unit Converter and Conversion on November 6, 2026.

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